./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/fibonacci.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:37:41,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:37:41,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:37:41,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:37:41,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:37:41,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:37:41,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:37:41,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:37:41,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:37:41,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:37:41,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:37:41,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:37:41,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:37:41,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:37:41,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:37:41,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:37:41,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:37:41,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:37:41,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:37:41,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:37:41,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:37:41,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:37:41,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:37:41,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:37:41,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:37:41,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:37:41,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:37:41,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:37:41,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:37:41,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:37:41,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:37:41,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:37:41,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:37:41,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:37:41,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:37:41,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:37:41,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:37:41,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:37:41,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:37:41,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:37:41,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:37:41,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-12-13 14:37:41,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:37:41,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:37:41,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:37:41,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:37:41,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 14:37:41,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 14:37:41,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:37:41,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:37:41,600 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:37:41,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:37:41,600 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 14:37:41,600 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:37:41,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:37:41,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 14:37:41,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:37:41,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 14:37:41,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 14:37:41,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 14:37:41,601 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 14:37:41,602 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 14:37:41,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:37:41,602 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:37:41,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 14:37:41,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:37:41,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:37:41,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 14:37:41,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:37:41,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:37:41,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 14:37:41,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 14:37:41,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:37:41,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 14:37:41,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 14:37:41,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 14:37:41,604 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 14:37:41,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 14:37:41,605 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 14:37:41,605 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e [2022-12-13 14:37:41,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:37:41,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:37:41,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:37:41,826 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:37:41,826 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:37:41,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/weaver/fibonacci.wvr.c [2022-12-13 14:37:44,369 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:37:44,503 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:37:44,504 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/sv-benchmarks/c/weaver/fibonacci.wvr.c [2022-12-13 14:37:44,508 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/data/832048bc1/5a1e596346f349419a51f58aee113ea1/FLAG8bc59f49d [2022-12-13 14:37:44,519 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/data/832048bc1/5a1e596346f349419a51f58aee113ea1 [2022-12-13 14:37:44,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:37:44,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:37:44,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:37:44,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:37:44,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:37:44,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c7f453 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44, skipping insertion in model container [2022-12-13 14:37:44,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:37:44,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:37:44,672 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/sv-benchmarks/c/weaver/fibonacci.wvr.c[2330,2343] [2022-12-13 14:37:44,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:37:44,683 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:37:44,702 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/sv-benchmarks/c/weaver/fibonacci.wvr.c[2330,2343] [2022-12-13 14:37:44,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:37:44,714 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:37:44,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44 WrapperNode [2022-12-13 14:37:44,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:37:44,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:37:44,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:37:44,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:37:44,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,749 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 264 [2022-12-13 14:37:44,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:37:44,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:37:44,749 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:37:44,749 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:37:44,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,768 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:37:44,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:37:44,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:37:44,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:37:44,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (1/1) ... [2022-12-13 14:37:44,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 14:37:44,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:37:44,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 14:37:44,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 14:37:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 14:37:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 14:37:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 14:37:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 14:37:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 14:37:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 14:37:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 14:37:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 14:37:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:37:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:37:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 14:37:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 14:37:44,836 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 14:37:44,923 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:37:44,924 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:37:45,231 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:37:45,240 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:37:45,240 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 14:37:45,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:37:45 BoogieIcfgContainer [2022-12-13 14:37:45,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:37:45,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 14:37:45,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 14:37:45,246 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 14:37:45,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 02:37:44" (1/3) ... [2022-12-13 14:37:45,247 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1bc6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:37:45, skipping insertion in model container [2022-12-13 14:37:45,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:37:44" (2/3) ... [2022-12-13 14:37:45,248 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1bc6f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 02:37:45, skipping insertion in model container [2022-12-13 14:37:45,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:37:45" (3/3) ... [2022-12-13 14:37:45,249 INFO L112 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c [2022-12-13 14:37:45,255 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 14:37:45,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 14:37:45,263 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-12-13 14:37:45,263 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 14:37:45,361 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-13 14:37:45,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 347 places, 355 transitions, 726 flow [2022-12-13 14:37:45,512 INFO L130 PetriNetUnfolder]: 15/353 cut-off events. [2022-12-13 14:37:45,512 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 14:37:45,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 362 conditions, 353 events. 15/353 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 653 event pairs, 0 based on Foata normal form. 0/305 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2022-12-13 14:37:45,520 INFO L82 GeneralOperation]: Start removeDead. Operand has 347 places, 355 transitions, 726 flow [2022-12-13 14:37:45,527 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 328 places, 335 transitions, 682 flow [2022-12-13 14:37:45,531 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-12-13 14:37:45,542 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 328 places, 335 transitions, 682 flow [2022-12-13 14:37:45,545 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 328 places, 335 transitions, 682 flow [2022-12-13 14:37:45,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 335 transitions, 682 flow [2022-12-13 14:37:45,599 INFO L130 PetriNetUnfolder]: 14/335 cut-off events. [2022-12-13 14:37:45,600 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-13 14:37:45,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 335 events. 14/335 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 571 event pairs, 0 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 217. Up to 2 conditions per place. [2022-12-13 14:37:45,611 INFO L119 LiptonReduction]: Number of co-enabled transitions 26136 [2022-12-13 14:37:52,381 INFO L134 LiptonReduction]: Checked pairs total: 29888 [2022-12-13 14:37:52,382 INFO L136 LiptonReduction]: Total number of compositions: 448 [2022-12-13 14:37:52,396 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 14:37:52,402 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d79c57d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 14:37:52,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-12-13 14:37:52,403 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-12-13 14:37:52,403 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 14:37:52,404 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:37:52,404 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-12-13 14:37:52,404 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-12-13 14:37:52,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:37:52,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1415, now seen corresponding path program 1 times [2022-12-13 14:37:52,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:37:52,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092059381] [2022-12-13 14:37:52,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:37:52,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:37:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:37:52,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:37:52,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:37:52,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092059381] [2022-12-13 14:37:52,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092059381] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:37:52,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:37:52,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-12-13 14:37:52,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124701604] [2022-12-13 14:37:52,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:37:52,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 14:37:52,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:37:52,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 14:37:52,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 14:37:52,517 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 338 out of 803 [2022-12-13 14:37:52,521 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 53 transitions, 118 flow. Second operand has 2 states, 2 states have (on average 338.5) internal successors, (677), 2 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,521 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:37:52,521 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 338 of 803 [2022-12-13 14:37:52,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:37:52,565 INFO L130 PetriNetUnfolder]: 72/144 cut-off events. [2022-12-13 14:37:52,566 INFO L131 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2022-12-13 14:37:52,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 144 events. 72/144 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 528 event pairs, 38 based on Foata normal form. 34/137 useless extension candidates. Maximal degree in co-relation 228. Up to 119 conditions per place. [2022-12-13 14:37:52,567 INFO L137 encePairwiseOnDemand]: 772/803 looper letters, 13 selfloop transitions, 0 changer transitions 1/22 dead transitions. [2022-12-13 14:37:52,567 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 22 transitions, 84 flow [2022-12-13 14:37:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 14:37:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-13 14:37:52,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 721 transitions. [2022-12-13 14:37:52,580 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4489414694894147 [2022-12-13 14:37:52,580 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 721 transitions. [2022-12-13 14:37:52,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 721 transitions. [2022-12-13 14:37:52,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:37:52,584 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 721 transitions. [2022-12-13 14:37:52,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 360.5) internal successors, (721), 2 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 803.0) internal successors, (2409), 3 states have internal predecessors, (2409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,594 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 803.0) internal successors, (2409), 3 states have internal predecessors, (2409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,595 INFO L175 Difference]: Start difference. First operand has 56 places, 53 transitions, 118 flow. Second operand 2 states and 721 transitions. [2022-12-13 14:37:52,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 22 transitions, 84 flow [2022-12-13 14:37:52,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 22 transitions, 76 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-13 14:37:52,599 INFO L231 Difference]: Finished difference. Result has 24 places, 21 transitions, 45 flow [2022-12-13 14:37:52,600 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=803, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=45, PETRI_PLACES=24, PETRI_TRANSITIONS=21} [2022-12-13 14:37:52,603 INFO L288 CegarLoopForPetriNet]: 56 programPoint places, -32 predicate places. [2022-12-13 14:37:52,603 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 21 transitions, 45 flow [2022-12-13 14:37:52,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 338.5) internal successors, (677), 2 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,604 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:37:52,604 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 14:37:52,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 14:37:52,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-12-13 14:37:52,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:37:52,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1367073281, now seen corresponding path program 1 times [2022-12-13 14:37:52,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:37:52,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264403206] [2022-12-13 14:37:52,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:37:52,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:37:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:37:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:37:52,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:37:52,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264403206] [2022-12-13 14:37:52,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264403206] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:37:52,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:37:52,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:37:52,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155398614] [2022-12-13 14:37:52,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:37:52,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:37:52,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:37:52,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:37:52,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:37:52,682 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 803 [2022-12-13 14:37:52,683 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 21 transitions, 45 flow. Second operand has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,683 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:37:52,683 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 803 [2022-12-13 14:37:52,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:37:52,726 INFO L130 PetriNetUnfolder]: 96/183 cut-off events. [2022-12-13 14:37:52,727 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-13 14:37:52,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 359 conditions, 183 events. 96/183 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 598 event pairs, 32 based on Foata normal form. 0/158 useless extension candidates. Maximal degree in co-relation 356. Up to 162 conditions per place. [2022-12-13 14:37:52,728 INFO L137 encePairwiseOnDemand]: 799/803 looper letters, 18 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2022-12-13 14:37:52,728 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 23 places, 24 transitions, 92 flow [2022-12-13 14:37:52,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:37:52,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:37:52,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1015 transitions. [2022-12-13 14:37:52,731 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.4213366542133665 [2022-12-13 14:37:52,731 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1015 transitions. [2022-12-13 14:37:52,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1015 transitions. [2022-12-13 14:37:52,732 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:37:52,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1015 transitions. [2022-12-13 14:37:52,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 338.3333333333333) internal successors, (1015), 3 states have internal predecessors, (1015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,737 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 803.0) internal successors, (3212), 4 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,737 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 803.0) internal successors, (3212), 4 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,738 INFO L175 Difference]: Start difference. First operand has 24 places, 21 transitions, 45 flow. Second operand 3 states and 1015 transitions. [2022-12-13 14:37:52,738 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 23 places, 24 transitions, 92 flow [2022-12-13 14:37:52,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 23 places, 24 transitions, 92 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:37:52,738 INFO L231 Difference]: Finished difference. Result has 24 places, 21 transitions, 55 flow [2022-12-13 14:37:52,739 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=803, PETRI_DIFFERENCE_MINUEND_FLOW=41, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=55, PETRI_PLACES=24, PETRI_TRANSITIONS=21} [2022-12-13 14:37:52,739 INFO L288 CegarLoopForPetriNet]: 56 programPoint places, -32 predicate places. [2022-12-13 14:37:52,739 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 21 transitions, 55 flow [2022-12-13 14:37:52,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.3333333333333) internal successors, (997), 3 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,740 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:37:52,740 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-13 14:37:52,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 14:37:52,740 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-12-13 14:37:52,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:37:52,740 INFO L85 PathProgramCache]: Analyzing trace with hash -570386860, now seen corresponding path program 1 times [2022-12-13 14:37:52,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:37:52,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337398166] [2022-12-13 14:37:52,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:37:52,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:37:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:37:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:37:52,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:37:52,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337398166] [2022-12-13 14:37:52,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337398166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:37:52,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:37:52,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:37:52,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479492654] [2022-12-13 14:37:52,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:37:52,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:37:52,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:37:52,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:37:52,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:37:52,801 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 803 [2022-12-13 14:37:52,802 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 21 transitions, 55 flow. Second operand has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,802 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:37:52,802 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 803 [2022-12-13 14:37:52,802 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:37:52,835 INFO L130 PetriNetUnfolder]: 66/136 cut-off events. [2022-12-13 14:37:52,835 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 14:37:52,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 136 events. 66/136 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 502 event pairs, 43 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 271. Up to 114 conditions per place. [2022-12-13 14:37:52,836 INFO L137 encePairwiseOnDemand]: 801/803 looper letters, 12 selfloop transitions, 1 changer transitions 0/20 dead transitions. [2022-12-13 14:37:52,836 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 20 transitions, 79 flow [2022-12-13 14:37:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:37:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:37:52,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 986 transitions. [2022-12-13 14:37:52,838 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.40929846409298465 [2022-12-13 14:37:52,838 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 986 transitions. [2022-12-13 14:37:52,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 986 transitions. [2022-12-13 14:37:52,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:37:52,839 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 986 transitions. [2022-12-13 14:37:52,841 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 803.0) internal successors, (3212), 4 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,844 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 803.0) internal successors, (3212), 4 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,844 INFO L175 Difference]: Start difference. First operand has 24 places, 21 transitions, 55 flow. Second operand 3 states and 986 transitions. [2022-12-13 14:37:52,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 20 transitions, 79 flow [2022-12-13 14:37:52,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 20 transitions, 79 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-13 14:37:52,845 INFO L231 Difference]: Finished difference. Result has 25 places, 20 transitions, 55 flow [2022-12-13 14:37:52,845 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=803, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=55, PETRI_PLACES=25, PETRI_TRANSITIONS=20} [2022-12-13 14:37:52,846 INFO L288 CegarLoopForPetriNet]: 56 programPoint places, -31 predicate places. [2022-12-13 14:37:52,846 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 20 transitions, 55 flow [2022-12-13 14:37:52,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.3333333333333) internal successors, (976), 3 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,847 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-12-13 14:37:52,847 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 14:37:52,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 14:37:52,847 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-12-13 14:37:52,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:37:52,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1938312809, now seen corresponding path program 1 times [2022-12-13 14:37:52,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:37:52,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403175291] [2022-12-13 14:37:52,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:37:52,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:37:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:37:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:37:52,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 14:37:52,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403175291] [2022-12-13 14:37:52,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403175291] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 14:37:52,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 14:37:52,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 14:37:52,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932315356] [2022-12-13 14:37:52,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 14:37:52,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 14:37:52,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 14:37:52,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 14:37:52,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 14:37:52,911 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 803 [2022-12-13 14:37:52,912 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 20 transitions, 55 flow. Second operand has 3 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,912 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 14:37:52,912 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 803 [2022-12-13 14:37:52,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 14:37:52,940 INFO L130 PetriNetUnfolder]: 66/132 cut-off events. [2022-12-13 14:37:52,940 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-13 14:37:52,941 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 132 events. 66/132 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 468 event pairs, 43 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 268. Up to 114 conditions per place. [2022-12-13 14:37:52,941 INFO L137 encePairwiseOnDemand]: 801/803 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2022-12-13 14:37:52,941 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 19 transitions, 79 flow [2022-12-13 14:37:52,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 14:37:52,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 14:37:52,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 986 transitions. [2022-12-13 14:37:52,943 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.40929846409298465 [2022-12-13 14:37:52,943 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 986 transitions. [2022-12-13 14:37:52,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 986 transitions. [2022-12-13 14:37:52,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:37:52,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 986 transitions. [2022-12-13 14:37:52,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 803.0) internal successors, (3212), 4 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,949 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 803.0) internal successors, (3212), 4 states have internal predecessors, (3212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,949 INFO L175 Difference]: Start difference. First operand has 25 places, 20 transitions, 55 flow. Second operand 3 states and 986 transitions. [2022-12-13 14:37:52,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 19 transitions, 79 flow [2022-12-13 14:37:52,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 19 transitions, 78 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-13 14:37:52,949 INFO L231 Difference]: Finished difference. Result has 25 places, 0 transitions, 0 flow [2022-12-13 14:37:52,949 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=803, PETRI_DIFFERENCE_MINUEND_FLOW=52, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=25, PETRI_TRANSITIONS=0} [2022-12-13 14:37:52,950 INFO L288 CegarLoopForPetriNet]: 56 programPoint places, -31 predicate places. [2022-12-13 14:37:52,950 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 0 transitions, 0 flow [2022-12-13 14:37:52,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 326.0) internal successors, (978), 3 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:37:52,952 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (52 of 53 remaining) [2022-12-13 14:37:52,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2022-12-13 14:37:52,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2022-12-13 14:37:52,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2022-12-13 14:37:52,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2022-12-13 14:37:52,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2022-12-13 14:37:52,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2022-12-13 14:37:52,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2022-12-13 14:37:52,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2022-12-13 14:37:52,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2022-12-13 14:37:52,953 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2022-12-13 14:37:52,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2022-12-13 14:37:52,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2022-12-13 14:37:52,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2022-12-13 14:37:52,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2022-12-13 14:37:52,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2022-12-13 14:37:52,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2022-12-13 14:37:52,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2022-12-13 14:37:52,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2022-12-13 14:37:52,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2022-12-13 14:37:52,954 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2022-12-13 14:37:52,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2022-12-13 14:37:52,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2022-12-13 14:37:52,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2022-12-13 14:37:52,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2022-12-13 14:37:52,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2022-12-13 14:37:52,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2022-12-13 14:37:52,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2022-12-13 14:37:52,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2022-12-13 14:37:52,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2022-12-13 14:37:52,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2022-12-13 14:37:52,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2022-12-13 14:37:52,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2022-12-13 14:37:52,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 53 remaining) [2022-12-13 14:37:52,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 53 remaining) [2022-12-13 14:37:52,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2022-12-13 14:37:52,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2022-12-13 14:37:52,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2022-12-13 14:37:52,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2022-12-13 14:37:52,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2022-12-13 14:37:52,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2022-12-13 14:37:52,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2022-12-13 14:37:52,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2022-12-13 14:37:52,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2022-12-13 14:37:52,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2022-12-13 14:37:52,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2022-12-13 14:37:52,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2022-12-13 14:37:52,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2022-12-13 14:37:52,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2022-12-13 14:37:52,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2022-12-13 14:37:52,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2022-12-13 14:37:52,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2022-12-13 14:37:52,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2022-12-13 14:37:52,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 14:37:52,959 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 14:37:52,964 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 14:37:52,964 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 14:37:52,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 02:37:52 BasicIcfg [2022-12-13 14:37:52,967 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 14:37:52,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:37:52,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:37:52,968 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:37:52,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:37:45" (3/4) ... [2022-12-13 14:37:52,970 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 14:37:52,974 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-13 14:37:52,974 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-13 14:37:52,977 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-12-13 14:37:52,977 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 14:37:52,977 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 14:37:52,977 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 14:37:53,006 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 14:37:53,007 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:37:53,007 INFO L158 Benchmark]: Toolchain (without parser) took 8484.44ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 92.8MB in the beginning and 94.1MB in the end (delta: -1.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-12-13 14:37:53,007 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:37:53,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.77ms. Allocated memory is still 127.9MB. Free memory was 92.2MB in the beginning and 80.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 14:37:53,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.18ms. Allocated memory is still 127.9MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:37:53,008 INFO L158 Benchmark]: Boogie Preprocessor took 22.37ms. Allocated memory is still 127.9MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:37:53,008 INFO L158 Benchmark]: RCFGBuilder took 470.18ms. Allocated memory is still 127.9MB. Free memory was 76.1MB in the beginning and 52.5MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 14:37:53,008 INFO L158 Benchmark]: TraceAbstraction took 7723.05ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 51.5MB in the beginning and 98.3MB in the end (delta: -46.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:37:53,009 INFO L158 Benchmark]: Witness Printer took 39.24ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 94.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 14:37:53,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 127.9MB. Free memory was 93.9MB in the beginning and 93.9MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.77ms. Allocated memory is still 127.9MB. Free memory was 92.2MB in the beginning and 80.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.18ms. Allocated memory is still 127.9MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.37ms. Allocated memory is still 127.9MB. Free memory was 78.2MB in the beginning and 76.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.18ms. Allocated memory is still 127.9MB. Free memory was 76.1MB in the beginning and 52.5MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7723.05ms. Allocated memory was 127.9MB in the beginning and 159.4MB in the end (delta: 31.5MB). Free memory was 51.5MB in the beginning and 98.3MB in the end (delta: -46.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.24ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 94.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.8s, 328 PlacesBefore, 56 PlacesAfterwards, 335 TransitionsBefore, 53 TransitionsAfterwards, 26136 CoEnabledTransitionPairs, 11 FixpointIterations, 146 TrivialSequentialCompositions, 246 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 36 ConcurrentYvCompositions, 10 ChoiceCompositions, 448 TotalNumberOfCompositions, 29888 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24611, independent: 24438, independent conditional: 0, independent unconditional: 24438, dependent: 173, dependent conditional: 0, dependent unconditional: 173, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 15166, independent: 15145, independent conditional: 0, independent unconditional: 15145, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 24611, independent: 9293, independent conditional: 0, independent unconditional: 9293, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 15166, unknown conditional: 0, unknown unconditional: 15166] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 115, Positive conditional cache size: 0, Positive unconditional cache size: 115, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 531 locations, 53 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 33 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 33 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-13 14:37:53,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59c90f61-f7b4-465b-bd8e-bcf1bbc10d67/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE